Optical monitoring window having six wear resistant posts



FIG. 1 is front and side perspective view of an optical window having six wear resistant posts showing my new design;

FIG. 2 is a front view thereof, the rear view being of identical appearance;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a side view thereof, the opposite side being of identical appearance; and,

FIG. 6 is a front view of an alternative embodiment of the optical window of the present invention wherein the said posts are of narrower diameter than the posts in the embodiment of FIG. 2 . 

The ornamental design for an optical monitoring window having six wear resistant posts, as shown and described. 